Procedure to Update SONY Xperia ZL with Jellybean 4.2.2 Firmware:
- Download Jellybean 4.1.2 9.1.A.0.489Firmware File and Flash tool from here to your computer. Once downloaded, open the Flash tool and follow the on screen instructions to install the same. Once the device is installed, you now need to turn Off your phone. Place the downloaded .ftf file in some folder on desktop, preferably name the folder as “XPERIA ZL Firmware”
- Head over to the path C:\Flashtool path or to the path where you have installed the Flash tool in your computer.
- Open the Flashtool and click on “Thunder” symbol situated at the top left portion of the Flash tool and select the “Flashmode” in the pop up and then “Ok”.
- Now, in the firmware selection window you will need to click on “…” as shown in the below screen capture to select the file of .ftf which is in “XPERIA ZL Firmware”. Select the path and then it will automatically pick up the firmware file.
- Once it’s done, assuming that your phone in Off State, press the Volume Up Rocker Key and at the same time connect your Xperia ZL to the computer with the help of original USB cable to see the Blue LED Glow in your Xperia ZL smartphone indicating that its entered in the Flash Mode.
- The process of update will be started automatically. The whole process of firmware update might take around 4 -8 minutes and also it may take more time than expected for booting the device in the normal mode as it’s the first time the device will be booting after the firmware update.
- Once the firmware update is applied successfully, you can check the same from the path “Settings > About Phone > Build Number” where the current firmware will be mentioned as Jellybean 4.2.2 10.3.A.0.423 Firmware.
Note: If at all your SONY Xperia ZL gets in the boot loop sequence then you need to turn off the device and then reapply the update from the start. To turn off you can reinsert the battery or say you can long press the power button.
Do let us know in the comments section just in case if you face any issues in the process of firmware update as we will try our level best to sort out the same.
